MM842DVC

• 8" subwoofer with dual 4-ohm voice coils
• titanium-plated composite cone
• butyl rubber surround
• fiberglass-reinforced ABS basket
• certified for marine use
• power handling: 300 watts RMS
• peak power handling: 900 watts
• frequency response: 30-200 Hz
• sensitivity: 85 dB
• top-mount depth: 4.03"
• cutout diameter: 7.07"
• warranty: 1 year
• 60-day returns
• MFR # AA8843-A

• Size    8 -inch
• Impedance (Ohms)    2, 8
• Cone Material    Titanium-Plated Composite
• Surround Material    Santoprene Rubber
• Port diameter (inches)    N/A
• Port length (inches)    N/A
• Free-Air    No
• Dual Voice Coil    Yes
• Sensitivity    85 dB at 1 watt
• Frequency Response    30 - 200 Hz
• Max RMS Power Handling    300
• Peak Power Handling (Watts)    900
• Top Mount Depth (inches)    4 1/16
• Bottom Mount Depth (inches)    4 5/8
• Cutout Diameter or Length (inches)    7 1/8
• Vas (liters)    9.64
• Fs (Hz)    46.11
• Qts    0.52
• Xmax (millimeters)    0
• Parts Warranty    1 Year
• Labor Warranty    1 Year
• Box Requirements
• Ideal Sealed Box Volume (cubic feet)    N/A
• Minimum Sealed Box Volume (cubic feet)    0.5
• Maximum Sealed Box Volume (cubic feet)    1.2
• Ideal Ported Box Volume (cubic feet)    N/A
• Minimum Ported Box Volume (cubic feet)    0.66
• Maximum Ported Box Volume (cubic feet)    1.2

Polk Audio MM 842 DVC owner's manual